Mechanical Engineer III Salary in Boston, MA.
Updated on: Jan 21, 2026
How much does a Mechanical Engineer III make in Boston, MA?
The average Mechanical Engineer III in Boston, MA makes $132,661,
53% above the national average Mechanical Engineer III salary of $86,933.
This pay is 15% greater than the combined average salaries of other metroes San Jose, CA, Long Beach, CA, and Albuquerque, NM.
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Mechanical Engineer III Salary Average
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*Data is estimated and depends on the generous anonymous contributions of individuals